<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>安卓小绿人</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }
        body {
            background-color: darkolivegreen;
        }
        .all {
            width: 800px;
            height: 800px;
            border: 1px solid #ccc;
            margin: 50px auto;
        }
        .ear {
            width: 300px;
            height: 150px;
            position: relative;
            margin: 0 auto;
        }
        .ear::before,
        .ear::after {
            content: "";
            position: absolute;
            width:20px;
            height: 120px;
            border-radius: 10px 10px 0 0;
            background-color: yellowgreen;
        }
        .ear::before {
            transform: rotate(-45deg);
            left: 20px;
            top: 130px;
        }
        .ear::after {
            transform: rotate(45deg);
            right: 20px;
            top: 130px;
        }
        .head {
            width: 300px;
            height: 150px;
            background-color: yellowgreen;
            margin: 15px auto;
            border-radius: 150px 150px 0 0;
            position: relative;        
        }
        /* 使用伪元素添加眼睛 */
        .head::before,
        .head::after{
             /*1.一定设置content属性*/
            content: '';
             /*2.如果需要设置宽度就应该转换其为块级元素，它默认是行级元素  float  display  position*/
            position: absolute;
            width: 25px;
            height: 25px;
            border-radius: 50%;
            background-color: #fff;
            bottom: 45px;
        }
        .head::before{
            left: 80px;
        }
        .head::after{
            right: 80px;
        }
        .body {
            width: 300px;
            height: 300px;
            background-color:yellowgreen;
            border-radius: 0 0 25px 25px;
            margin: 0 auto;
            position: relative;
        }
        .body::before,
        .body::after{
            content: "";
            position: absolute;
            background-color: yellowgreen;
            height: 200px;
            width: 40px;
            top: 30px;
            border-radius: 15px;
        }
        .body::before{
            left: -50px;
        }
        .body::after{
            right: -50px;
        }
        .foot{
            width: 300px;
            height: 150px;
            position: relative;
            margin: 0 auto;
        }
        .foot::before,
        .foot::after{
            content: '';
            position: absolute;
            top: 0px;
            background-color:yellowgreen;
            width: 40px;
            height: 100px;
            border-radius: 0 0 15px 15px;
        }
        .foot::before{
            left: 60px;
        }
        .foot::after{
            right: 60px;
        }
    </style>
</head>
<body>
    <div class="all">
        <div class="ear"></div>
        <div class="head"></div>
        <div class="body"></div>
        <div class="foot"></div>
    </div>
</body>
</html>